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Ponyprog Circuit for ATMEL'S AVR
Ponyprog Circuit for ATMEL'S AVR
June 26, 2010

On board the AVRs that can be programmed are those in the schematic. For other members of AVR family or the rest programmable ICs that Ponyprog can program, there is the J1 connector (CON10) which... [more]

PlayPIC®
PlayPIC®
June 25, 2010

This is a new design of a tutorial board based on the popular PIC16F84A microcontroller. It features eight single leds, a 7-segment display, an LCD display and five push buttons. It is an ideal solution... [more]

PIC16F84A discolight effect with bass beat control
PIC16F84A discolight effect with bass beat control
June 25, 2010

External circuit converts bass beat of music into pulses.The motor is controlled by them. If theres bass beat recognised then the motor rotates one direction(in full stepping) for a predefined time then stops. If the... [more]

Phoenix Programmer
Phoenix Programmer
June 25, 2010

This Phoneix programmer is based on the version previous released by Odin. Joos Design have added a better power supply and made some other small changes. We presume a Phoenix programmer will not be your... [more]

Nostalgic Crystal Radio
Nostalgic Crystal Radio
June 24, 2010

The AM signal is captured by the antenna , 10 mt long horizontal wire, WELL insulated from earth (I mean distant, to lower the stray capacitance coupling with ground which will adsorb some signal ).... [more]

A Balanced Output Board For The Stereo DAC
A Balanced Output Board For The Stereo DAC
June 23, 2010

This add-on board is designed to provide a pair of balanced audio outputs for the High-Quality Stereo DAC (Digital to Analog Converter). Two 3-pin male XLR connectors are used for the new outputs and they... [more]


circuit from:http://www.extremecircuits.net/2010/03/balanced-output-board-for-stereo-dac.html

Multi Wire Cable Tester
Multi Wire Cable Tester
June 23, 2010

A multi wire cable tester with a separate LED for each wire. Will show open circuits, short circuits, reversals, earth faults, continuity and all with four IC's. Designed initially for my intercom, but can be... [more]

Multi Rocket Launcher
Multi Rocket Launcher
June 23, 2010

This launch controller can be used with low voltage battery igniters, which fire rocket engines in model rockets such as the Estes range. [more]

Mini efficient coil launcher from disposable camera flash
Mini efficient coil launcher from disposable camera flash
June 23, 2010

This is a fun and non-dangeros project for those people who like to throw projectiles magnetically. It simply works by placing a ferromagnetic projectile at one end of a coil and pulsing some power in... [more]

MILLIGAUSS METER
MILLIGAUSS METER
June 23, 2010

The circuit provides an easy yet reliable way to detect the intensity of a.c. (or e.l.f.) fields around the home or workplace. It is doubly effective because it does not merely detect the electromagnetic radiation... [more]



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